36 workers build a house in 20 days. how many days will 18 workers working at the same rate take to build the same house.

Question

Your answer

Rod · Answer 1 · 2018-01-21T16:55:13+0000

36 workers take half as long to build a house as 18 workers, so 18 workers will take twice as long=40 days.

Pradeep Thomas · Answer 2 · 2021-10-16T15:02:28+0000

Rate x Time = Work

Rate = 1 House / 20 days : 36 workers

1 / x : 18 workers

x= 40 days